Home / 578,446.52-798,246.19-320,318.35

Finding the Fourth Proportional to 578,446.52, 798,246.19 and 320,318.35

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Solution

The fourth proportional to 578,446.52, 798,246.19 and 320,318.35 is: 442,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,446.52 : 798,246.19 = 320,318.35 : x
  2. Step 2: Convert to fraction form
    578,446.52/798,246.19 = 320,318.35/x
  3. Step 3: Cross multiply
    578,446.52x = 798,246.19 × 320,318.35
  4. Step 4: Simplify right side
    578,446.52x = 255,692,900,879.37
  5. Step 5: Solve for x
    x = 255,692,900,879.37/578,446.52
  6. Step 6: Final answer
    x = 442,033.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.